>> For jack sensing, we'd need a module that traps input events. ALSA >> sends an input event when the headphone jack is inserted. This is >> what's used in Meego (the detection isn't part of PulseAudio though). >> You could then add enable the effect. >> -Pierre > > Could you tell me where (in which source code file) I can find this detection in > Meego? It's part of the Ohm plugins. http://meego.gitorious.org/maemo-multimedia/ohm-plugins-misc/blobs/master/plugins/accessories/wired.c I am not sure this code is current, someone from Nokia would need to comment But you'll see all kinds of jack detection in there. -Pierre